* Although{{p|Poliwag}} and {{p|Poliwhirl}} were able to learn Amnesia in [[Generation I]], theyare not able to learn the moveinanyothergeneration,andthustheyandtheirevolvedformscanonlyhave the move in Generation IIiftheyaretradedforward.

* Despite several [[Pokédex]] entries, especially in the anime, said that {{p|Psyduck}} can't remember while using mysterious power, it could not learn this move until [[Generation IV]], except via a {{eng|Pokémon Stadium}} Nintendo event.

Trivia

Despite several Pokédex entries, especially in the anime, state that Psyduck can't remember while using mysterious power, it could not learn this move until Generation IV, except via a Pokémon Stadium Nintendo event.